[2] The highlight of Petra Häkkinen's career was winning the Finnish League in 2005 with HJK.
[3] Since retiring Petra Häkkinen was hired as the head goalkeeping for the Finland women's national football team.
[4] Petra Häkkinen was part of the Finnish team at the 2009 European Championships.
[5] This biographical article related to women's association football in Finland is a stub.
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